5 Biggest Horse Breeds | World“s Biggest Horse | Biggest Horse in the World

5 Biggest Horse Breeds. Most horse breeds fall around the median average in the equine world. Adults tend to be around 15 hands and weigh about 1,100 pounds, with stallions perhaps a little taller and heavier. Then there are a select few horses that are part of the biggest horse breeds in the world. The horses in this category can stand upward of 20 hands and weigh more than 3,000 pounds. Despite their size, virtually all of the largest horse breeds are coldblooded in temperament, which means they are cal